diff --git a/Configuration/TypoScript/Toolbox/setup.typoscript b/Configuration/TypoScript/Toolbox/setup.typoscript
index 1502bd58e..8bc171714 100644
--- a/Configuration/TypoScript/Toolbox/setup.typoscript
+++ b/Configuration/TypoScript/Toolbox/setup.typoscript
@@ -10,7 +10,7 @@ plugin.tx_dlf_fulltexttool {
 plugin.tx_dlf_searchindocumenttool {
     settings {
         tools = searchindocumenttool
-        searchUrl =
+        searchUrl = https://playground.bib.uni-mannheim.de
         documentIdUrlSchema =
         idInputName = tx_dlf[id]
         pidInputName = tx_dlf[pid]